{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "5ff06975",
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "f1c20446",
   "metadata": {},
   "outputs": [],
   "source": [
    "np.random.seed(42)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "38dcb9a0",
   "metadata": {},
   "outputs": [],
   "source": [
    "[\n",
    "    [[0, 0], [1, 1], [2, 2]],\n",
    "    [[0, 0], [1, 1], [2, 2]],\n",
    "]\n",
    "# 2,3,2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "0f5b848b",
   "metadata": {},
   "outputs": [],
   "source": [
    "[[[1, 2][1, 2][1, 2]], [[3, 4][3, 4][3, 4]]]\n",
    "# 2，3，2"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": ".venv",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.10.16"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}
